Technical Guides
8-Layer PCB Stackup Design Guide
Learn how to design an 8-layer PCB stackup for real-world manufacturing, covering layer planning, impedance control, PDN optimization, DDR4 and PCIe routing, via structures, and DFM review.
PCB Power Supply Design Guide
Learn practical PCB power supply design methods for stable power delivery, including regulator selection, EMI filtering, current paths, thermal control, and power integrity testing.
Microvia Design Rules for Reliable HDI PCB Manufacturing
Learn key microvia design rules for HDI PCB manufacturing, including aspect ratio, capture pads, copper filling, stacked microvia reliability, impedance control, and DFM review.
5G PCB Design Guide for Real-World Manufacturing
Learn key 5G PCB design considerations for RF and mmWave performance, including material loss, impedance control, via design, PDN stability, EMI risks, and manufacturing reliability.
What Causes a Capacitor to Fail
Understand how capacitors fail in real circuits, how to identify early warning signs, and how better component sourcing and PCBA assembly help improve product reliability.
What Is a Resistor and How Does It Work
Understand how resistors work in real circuits, why they oppose current flow, how Ohm’s Law applies, and how the right resistor supports stable PCB design.
How to Discharge a Capacitor
Learn how to discharge a capacitor safely with a resistor, discharge tool, and multimeter verification. Follow practical safety steps before handling capacitors.
How to Use Raspberry Pi as a Chromecast Alternative
Learn how to turn a Raspberry Pi into a lightweight Chromecast alternative using Raspicast, SSH, and HDMI playback for local media and selected shared links.
DDR4 Design Guide for Stable High-Speed PCB Layout
Learn key DDR4 PCB layout practices, including DQ/DQS timing, fly-by routing, clock pairs, Vref noise control, stackup design, power integrity, and crosstalk reduction.
A Guide to SMD Capacitor Size Chart
Use this SMD capacitor size chart to compare common size codes, imperial and metric dimensions, MLCC packages, tantalum case codes, aluminum electrolytic sizes, and PCB assembly selection tips.
How to Test a Capacitor
Learn how to test a capacitor and check if it is bad using a multimeter, ESR meter, LED test, and oscilloscope. Includes safety steps, failure signs, and replacement tips.
Key FR-4 Material Properties and Datasheet Values for PCB
Learn how to choose the right PCB substrate material for your design. Compare FR-4, Rogers, PTFE, ceramic, polyimide, and metal-core materials by properties and applications.
Different Types of PCB Substrate Materials and Their Properties
Learn how to choose the right PCB substrate material for your design. Compare FR-4, Rogers, PTFE, ceramic, polyimide, and metal-core materials by properties and applications.
Multilayer PCB Design Guide for Better Performance
A practical multilayer PCB design guide covering stackup design, via types, impedance control, high-speed routing, and DFx guidelines to improve performance and manufacturability.
Industrial PCB Design Guide
Learn the key principles of industrial PCB design, including thermal management, vibration resistance, humidity protection, corrosion control, and manufacturability for long-term reliability.
Introduction to 7 Different BGA Package Types
Explore 7 BGA package types and learn how they differ in structure, pitch, density, thermal performance, and manufacturing impact for better package selection.
What Does BGA Mean in Electronics
Learn what BGA is, why it is widely used in modern electronics, how different BGA package types compare, and what matters most in BGA assembly and inspection.
How to Test a Resistor
Learn how to test a resistor accurately using a multimeter, in-circuit methods, TCR checks, and failure screening. Practical tips for reliable resistor testing.
What Is Stitching Via in PCB Design and Do You Need It
Learn what stitching via in PCB design is, how it affects EMI, signal integrity, and thermal performance, and when you actually need it in a real PCB layout.
An Introduction to Different Types of Capacitors
This article covers four common capacitor types—tantalum, aluminum electrolytic, glass, and ceramic—and explains their pros, cons, and typical applications.
